/*
 * Copyright 2024 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.pajamas.starter.integration.daydream.sequenceTemplate;

import org.pajamas.daydream.template.sequence.SequenceContext;
import org.pajamas.daydream.template.sequence.annotation.AbstractSequenceKeySupport;
import org.pajamas.daydream.template.sequence.annotation.SequenceBinding;
import org.springframework.aop.MethodBeforeAdvice;

import java.lang.reflect.Method;
import java.util.Optional;

import lombok.extern.slf4j.Slf4j;

/**
 * @author william
 * @since 2024/4/13
 */
@Slf4j
public class SequenceBindingAdvice extends AbstractSequenceKeySupport implements MethodBeforeAdvice {
    @Override
    public void before(Method method, Object[] args, Object target) throws Throwable {
        Optional<SequenceBinding> bindingOptional = this.extractBinding(args);
        if (bindingOptional.isPresent()) {
            SequenceBinding binding = bindingOptional.get();
            binding.addFirstContext(this.collectRuntimeContext(method, args));
            String sequenceString =
                    binding.getSequence().interpret(binding.getRuntimeContexts().toArray(new SequenceContext[0]));
            log.debug("before.sequenceString:[{}]", sequenceString);
            binding.setSequenceString(sequenceString);
        }
    }
}
